.playlist {
  position: relative;
  height: 1000px;
  border-right: none;
  background-color: #fff;
  .container{
    background-color: #F5F5F5;
  }
  .menu {
    position: absolute;
    top: 20px;
    left: 120px;
    width: 91px;
    font-size: 12px;
    font-weight: normal;
    padding: 0px 5px;
    height: 31px;
    line-height: 31px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: transparent;
  }

  .hidden {
    width: 720px;
    //height: 500px;
    padding-bottom: 30px;
    border: 1px solid #ccc;
    border-radius: 7px;
    box-shadow: 0 15px 30px rgba(0,0,0,.2);
    background-color: #fff;
    position: absolute;
    z-index: 99;
    top: 65px;
    left: 10px;
  }
}